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b50a4ea646
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Mark Johnston b50a4ea646 Account for the lowmem handlers in the inactive queue scan target. 
Before r329882 the target would be computed after lowmem handlers run
and free pages.  On some systems a significant amount of page
reclamation happens this way.  However, with r329882 the target is
computed first, which can lead to unnecessary reclamation from the
page cache, and this in turn may result in excessive swapping.

Instead, adjust the target after running lowmem handlers.  Don't
invoke the lowmem handlers before the PID controller, though, since
that would hide the true rate of page allocation.

Reviewed by:	alc, kib (previous version)
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D16606
2018-08-09 18:25:49 +00:00
..
amd64 Futex support functions in linux.ko and linux32.ko on amd64 should be 2018-08-07 18:29:10 +00:00
arm Add support for pmap_enter(..., psind=1) to the armv6 pmap. In other words, 2018-08-08 16:55:01 +00:00
arm64 efirt: Don't enter EFI context early, convert addrs to KVA instead 2018-08-04 21:41:10 +00:00
bsm
cam For the dynamic I/O scheduler, make the TRIM stuff also count against 2018-07-26 22:55:51 +00:00
cddl Reduce taskq and context-switch cost of zio pipe 2018-08-03 02:16:45 +00:00
compat Use atomic_fcmpset_XXX() instead of atomic_cmpset_XXX() when possible 2018-08-09 09:39:32 +00:00
conf BOOT_TAG: Make a config(5) option, expose as sysctl and loader tunable 2018-08-09 17:47:47 +00:00
contrib Import CK as of commit 08813496570879fbcc2adcdd9ddc0a054361bfde, mostly 2018-08-09 12:11:49 +00:00
crypto libmd: Always erase context in _Final method, and when doing 2018-07-20 07:01:28 +00:00
ddb add an option for ddb ps command to print process arguments 2018-08-09 11:21:31 +00:00
dev cxgbe(4): Display pkt-size and burst-size in traffic class parameters. 2018-08-09 14:36:44 +00:00
dts Remove Atmel AT91RM9200 and AT91SAM9 support. 2018-07-27 18:28:22 +00:00
fs Assorted fixes to handling of LayoutRecall callbacks, mostly error handling. 2018-08-08 20:21:45 +00:00
gdb
geom OpenCrypto: Convert sessions to opaque handles instead of integers 2018-07-18 00:56:25 +00:00
gnu dts: Update our copy to Linux 4.17 2018-06-14 07:12:10 +00:00
i386 Implement missing atomic_fcmpset_XXX() support for i386. 2018-08-09 11:30:13 +00:00
isa
kern subr_prf: Use "sizeof current_boot_tag" instead 2018-08-09 17:53:18 +00:00
kgssapi OpenCrypto: Convert sessions to opaque handles instead of integers 2018-07-18 00:56:25 +00:00
libkern Sync strlcpy with userland version, again 2018-06-21 17:35:13 +00:00
mips Add pmap_is_valid_memattr(9). 2018-08-01 18:45:51 +00:00
modules uep(4): add evdev support 2018-08-05 11:14:13 +00:00
net pf: Increase default hash table size 2018-08-05 13:54:37 +00:00
net80211 net80211: Fix ifdetach w/o ifattach, small whitespace cleanup 2018-07-10 23:30:19 +00:00
netgraph Use if_tunnel_check_nesting() for ng_iface(4). 2018-08-03 22:55:58 +00:00
netinet [ppc] Fix kernel panic when using BOOTP_NFSROOT 2018-08-09 14:04:51 +00:00
netinet6 [ppc] Fix kernel panic when using BOOTP_NFSROOT 2018-08-09 14:04:51 +00:00
netipsec Use the new VNET_DEFINE_STATIC macro when we are defining static VNET 2018-07-24 16:35:52 +00:00
netpfil Use host byte order when comparing mss values. 2018-08-08 17:32:02 +00:00
netsmb Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
nfs Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
nfsclient
nfsserver
nlm
ofed Only NULL check the VNET pointer when VIMAGE is enabled in ibcore. 2018-07-31 11:23:44 +00:00
opencrypto Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
powerpc powerpc64/powernv: re-read RTC after polling 2018-08-08 21:19:07 +00:00
riscv Implement uma_small_alloc(), uma_small_free(). 2018-08-08 16:08:38 +00:00
rpc Set SO_SNDTIMEO in the client side krpc when CLSET_TIMEOUT is done. 2018-07-20 12:03:16 +00:00
security Require that MAC label buffers be able to store a non-empty string. 2018-08-01 03:46:07 +00:00
sparc64 Add pmap_is_valid_memattr(9). 2018-08-01 18:45:51 +00:00
sys BOOT_TAG: Make a config(5) option, expose as sysctl and loader tunable 2018-08-09 17:47:47 +00:00
teken teken: Fix sequences header which was crossing the 80-col boundary 2018-05-29 08:41:44 +00:00
tests epoch_test: fix compile 2018-07-15 00:31:17 +00:00
tools Add dtb overlays support 2018-03-24 21:30:24 +00:00
ufs Put in place the framework for consolodating contiguous blocks into 2018-08-06 21:09:11 +00:00
vm Account for the lowmem handlers in the inactive queue scan target. 2018-08-09 18:25:49 +00:00
x86 Verify that each frame pointer lies within the thread's kstack. 2018-08-03 02:51:37 +00:00
xdr
xen xen: add missing file from r336474 2018-07-19 10:14:52 +00:00
Makefile